20246863540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1\times {\mathrm{11831}}^1$

素因数の和:13968

約数の個数: 48

約数和(自身を含む): 43580001024

約数和(自身を除く): 23333137484

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 2087, 4174, 8348, 10435, 11831, 20870, 23662, 41740, 47324, 59155, 85567, 118310, 171134, 236620, 342268, 427835, 485071, 855670, 970142, 1711340, 1940284, 2425355, 4850710, 9701420, 24691297, 49382594, 98765188, 123456485, 246912970, 493825940, 1012343177, 2024686354, 4049372708, 5061715885, 10123431770, 20246863540]

約数ペア:

[(1, 20246863540), (2, 10123431770), (4, 5061715885), (5, 4049372708), (10, 2024686354), (20, 1012343177), (41, 493825940), (82, 246912970), (164, 123456485), (205, 98765188), (410, 49382594), (820, 24691297), (2087, 9701420), (4174, 4850710), (8348, 2425355), (10435, 1940284), (11831, 1711340), (20870, 970142), (23662, 855670), (41740, 485071), (47324, 427835), (59155, 342268), (85567, 236620), (118310, 171134)]